APA (7th ed.) Citation

Nyström, A. K., & Walterstorff, H. G. d. (1915). Before, during, and after 1914. W. Heinemann.

Chicago Style (17th ed.) Citation

Nyström, Anton Kristen, and Harald Gerhard de Walterstorff. Before, During, and After 1914. London: W. Heinemann, 1915.

MLA (8th ed.) Citation

Nyström, Anton Kristen, and Harald Gerhard de Walterstorff. Before, During, and After 1914. W. Heinemann, 1915.